| 4th Mar 2019 3:21 pm | RNS | Replacement: Potential Capex Savings at Port | 
                                                                            
                                            | 4th Mar 2019 9:05 am | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 4th Mar 2019 9:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 4th Mar 2019 7:00 am | RNS | Potential Further Capex Savings at Port | 
                                                                            
                                            | 20th Feb 2019 7:00 am | RNS | Appointment of Metallurgy and Process Consultant | 
                                                                            
                                            | 13th Feb 2019 7:00 am | RNS | London Investor Event | 
                                                                            
                                            | 12th Feb 2019 7:00 am | RNS | Commencement of ESIA Baseline Studies | 
                                                                            
                                            | 4th Feb 2019 3:14 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 28th Jan 2019 7:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 17th Jan 2019 7:00 am | RNS | Investor Event in Birmingham | 
                                                                            
                                            | 15th Jan 2019 7:00 am | RNS | Corporate Update | 
                                                                            
                                            | 28th Dec 2018 4:41 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 28th Dec 2018 4:36 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 26th Nov 2018 11:00 am | RNS | Shareholder and Analyst Call Recording | 
                                                                            
                                            | 22nd Nov 2018 11:05 am | RNS | Update re Shareholder and Analyst Call at 11am | 
                                                                            
                                            | 22nd Nov 2018 8:38 am | RNS | Publication of Research Note | 
                                                                            
                                            | 20th Nov 2018 7:00 am | RNS | Low Capex Potential Confirmed by Scoping Study | 
                                                                            
                                            | 12th Nov 2018 7:00 am | RNS | Potential for Very Low Capital Cost Port Upgrade | 
                                                                            
                                            | 5th Nov 2018 11:00 am | RNS | Drilling Commences at Khemisset Potash Project | 
                                                                            
                                            | 23rd Oct 2018 7:00 am | RNS | Cost Estimate for Electrical and Gas Supply | 
                                                                            
                                            | 8th Oct 2018 7:00 am | RNS | Very Low Capital Cost Logistics Solution Potential | 
                                                                            
                                            | 2nd Oct 2018 3:14 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 28th Sep 2018 7:00 am | RNS | Interim Results | 
                                                                            
                                            | 18th Sep 2018 7:00 am | RNS | Khemisset Project:Decline Design and Cost Estimate | 
                                                                            
                                            | 6th Sep 2018 7:00 am | RNS | Seismic Interpretation and Operations Update | 
                                                                            
                                            | 4th Sep 2018 7:00 am | RNS | Initiation of Research Coverage | 
                                                                            
                                            | 31st Aug 2018 8:15 am | RNS | Investor Event | 
                                                                            
                                            | 15th Aug 2018 7:00 am | RNS | Exploration Target Indicates Large-Scale Potential | 
                                                                            
                                            | 13th Aug 2018 2:30 pm | RNS | Successful Stakeholder Day at Khemisset Project | 
                                                                            
                                            | 8th Aug 2018 7:00 am | RNS | Grant of Additional Research Permits at Khemisset | 
                                                                            
                                            | 27th Jul 2018 12:29 pm | RNS | Result of AGM | 
                                                                            
                                            | 10th Jul 2018 7:00 am | RNS | Completion of Seismic Survey at Khemisset Project | 
                                                                            
                                            | 3rd Jul 2018 9:19 am | RNS | Notice of AGM | 
                                                                            
                                            | 2nd Jul 2018 7:00 am | RNS | Appointment of Mining Industry Veteran as Chairman | 
                                                                            
                                            | 13th Jun 2018 7:00 am | RNS | Appointment of Khemisset Scoping Study Consultant | 
                                                                            
                                            | 6th Jun 2018 3:15 pm | RNS | Corporate Presentation and Handout | 
                                                                            
                                            | 4th Jun 2018 2:05 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 4th Jun 2018 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 4th Jun 2018 7:00 am | RNS | Re-Admission to the London Stock Exchange | 
                                                                            
                                            | 1st Jun 2018 12:15 pm | RNS | Results of General Meeting - Replacement |